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hexane

美 [hek'seɪn]英 [hek'seɪn]

n.【化】己烷
网络正己烷；已烷；乙烷

hexane

英-汉英-英网络释义

hexane

己烷

当己烷(Hexane)被加入到水样中并摇晃后，己烷分子会吸附和粘合碳氢化合物的分子，静置片刻后，吸附碳氢化合物的己烷从 …

正己烷

蛋黄以正己烷(hexane)或其他有机溶剂抽出时，所得之脂质称为蛋黄油，而由蛋黄油分离所得之粗制卵磷脂称为蛋黄卵磷脂(eg…

已烷

生物专业英语词汇——词素（词根）部分-考试-生物谷 ... hexahydric 六氢的， hexane 已烷， hexistrol 已雌酚（已即六） ...

乙烷

Hycegas Co.Ltd ... Heptane 庚烷 Hexane （正）乙烷 Hydrazine 肼；联氨 ...

正已烷

2．试剂：正已烷(Hexane) 、正庚烷 (Heptane)、乙酸乙酯(Ethyl acetate) 四．实验步骤(Procedure) 实验步骤 1．联结好仪器系 …

正乙烷

正相色谱使用的流动相极性相对比固定相低，如：正乙烷（Hexane）,氯仿（Chloroform）,二氯甲烷（Methylene Chloride）等。

色谱正己烷

色谱仪器用试剂供应信息列表- 来宝网 ... Isopropyl Alcohol 色谱异丙醇 Hexane 色谱正己烷 Ethyl Acetate 色谱乙酸乙酯 ...

例句：

Only three of hexane structures can be named on the basis of the prefixes that have been applied to the pentanes .

只有三种已烷结构可以根据加在戊烷前的词头来命名。

The utility model relates to a crystallizer for hexane diacid production equipment, and belongs to a chemical device .

本实用新型涉及一种适用于生产己二酸装置的结晶器，属化工装置类。

In this article conditional experiments on the amount of n- Hexane and water sample pretreatment for determining parameter were introduced .

并在正己烷用量、水样预处理等测试参数选择上做了条件试验。

TESTING WATER . AQUEOUS EFFLUENTS FROM PETROLEUM REFINERIES. DETERMINATION OF ORGANIC MATTERS IN SUSPENSION IN WATER BY HEXANE EXTRACTION.

水的试验 .炼油厂含水排出物 .乙烷水提取物中悬浮有机物质测定

Animal and vegetable fats and oils - Determination of unsaponifiable matter - Method using hexane extraction.

动植物脂肪和油 .不可皂化物质的测定 .己烷萃取法

METHODS The hydroxyl groups of magnolol were protected using ketal reaction and the products were purified by recrystallization from hexane .

方法将厚朴酚两羟基用缩酮保护，再用正己烷重结晶分离纯化。

The nicotine was purified with solvent extraction . Hexane was chosen as the extraction solvent.

溶剂萃取法纯化烟碱，选择正己烷作为萃取溶剂；

It is thought that the process of hydrofining in advance and then distillation is of great advantage to produce high-purity hexane .

经进一步探讨，认为先加氢后精馏更有利于制取高纯度正己烷。

animal muscle samples were extracted with acetonitrile -water assisted by n-hexane and separated with salting out method.

动物肌肉样品用正己烷配合乙腈 -水溶液均质提取，盐析分配。

The dialyzed aqueous particle dispersion was extracted several times with n-hexane and stored as such in the refrigerator.

透析后的粒子分散于水中，用正己烷萃取，保存于冰箱中

The present invention relates to a quaternary chrome series catalyst for ethylene trimerization to prepare 1 -hexane .

本发明涉及一种四元铬系催化剂，用于乙烯三聚制备 1 -己烯。

Animal and vegetable fats and oils - Determination of residual technical hexane content .

动植物脂肪和油 .残留工业己烷含量的测定

The silicoaluminophosphate material has methanol conversion activity and n-hexane cracking activity .

该硅铝磷酸盐材料具有甲醇转化活性和正己烷裂化活性。

The sample was cold immersed with hexane acetone , ultrasonic extract , dense H_2SO_4 clean up, the extract liquid was analysed.

人参样品经正己烷 —丙酮冷浸泡，超声萃取，磺化法处理后，萃取液直接上机测定。

ANIMAL AND VEGETABLE FATS AND OILS . DETERMINATION OF LOW CONTENT OF RESIDUAL TECHNICAL HEXANE .

动植物脂肪和油 .残留乙烷低含量测定

N-hexane, a widely used industrial solvent, has caused many occupational health problems.

正己烷作为溶剂在工业中的广泛应用已导致职业性中毒的发生。

Oilseed residues . Determination of total residual hexane .

油料种子残渣 .己烷总残留量的测定

N-Hexane is highly volatile , highly lipid soluble and consumingly accumulative .

正己烷具有高挥发性、高脂溶性，并有强蓄积作用。

Oilseed residues - Determination of oil content - Part 1 : extraction method with hexane (or light petroleum ).

含油种子残留物 .油含量测定 .第1 部分：己烷（或石油醚）萃取法

When hexane is mixed with equal volume acetone , the yield decreases sharply , which is the same as cyclo hexane mixed with dichloromethane.

非极性溶剂正已烷和等体积性溶剂丙酮混合后，提取率有明显下降。

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